WhenToBird

Passerella iliaca · Passerellidae

When Do Fox Sparrows Arrive in Indiana?

Adult Fox Sparrow
Photo: Kevin Krebs, CC BY 4.0 via iNaturalist

Fox Sparrows are winter birds in Indiana: the first arrive in the second week of October, they are common by mid October, peak in late March (5.8% of checklists), and most are gone by the second week of April.

When to look

First arrivalsOct 8-14the second week of October
Common byOct 15-21mid October
PeakMar 22-31late March
Most gone byApr 8-14the second week of April

Best: late March. First arrivals the second week of October; most are gone by the second week of April. Peak: on about 5.8% of Indiana checklists.

  1. Jancommon
  2. Febcommon
  3. Marpeak season
  4. Aprpeak season
  5. Maynot usually seen
  6. Junnot usually seen
  7. Julnot usually seen
  8. Augnot usually seen
  9. Sepnot usually seen
  10. Octcommon
  11. Novpeak season
  12. Deccommon

Darker months: more checklists report it. Outlined: peak month.

0%2%4%6%8%Jan 1-7: 2.6% of 18123 checklistsJan 8-14: 3.6% of 12006 checklistsJan 15-21: 4.7% of 12403 checklistsJan 22-31: 3.3% of 16181 checklistsFeb 1-7: 2.5% of 12546 checklistsFeb 8-14: 3.0% of 14250 checklistsFeb 15-21: 2.8% of 18077 checklistsFeb 22-28: 2.0% of 13590 checklistsMar 1-7: 2.5% of 14545 checklistsMar 8-14: 3.6% of 14594 checklistsMar 15-21: 4.8% of 13894 checklistsMar 22-31: 6.3% of 22400 checklistsApr 1-7: 5.9% of 18069 checklistsApr 8-14: 2.9% of 19579 checklistsApr 15-21: 1.2% of 19518 checklistsApr 22-30: 0.2% of 30544 checklistsMay 1-7: 0.1% of 28430 checklistsMay 8-14: 0.1% of 30624 checklistsMay 15-21: 0.1% of 22920 checklistsMay 22-31: 0.1% of 21234 checklistsJun 1-7: 0.1% of 12279 checklistsJun 8-14: 0% of 10904 checklistsJun 15-21: 0% of 9488 checklistsJun 22-30: 0% of 11362 checklistsJul 1-7: 0% of 9947 checklistsJul 8-14: 0% of 9585 checklistsJul 15-21: 0% of 8929 checklistsJul 22-31: 0% of 12639 checklistsAug 1-7: 0% of 9528 checklistsAug 8-14: 0% of 9451 checklistsAug 15-21: 0% of 9442 checklistsAug 22-31: 0% of 14969 checklistsSep 1-7: 0% of 12628 checklistsSep 8-14: 0.1% of 11793 checklistsSep 15-21: 0% of 11396 checklistsSep 22-30: 0.1% of 14203 checklistsOct 1-7: 0.2% of 11365 checklistsOct 8-14: 0.9% of 12092 checklistsOct 15-21: 2.4% of 10440 checklistsOct 22-31: 4.0% of 13883 checklistsNov 1-7: 4.6% of 10476 checklistsNov 8-14: 6.2% of 9776 checklistsNov 15-21: 6.0% of 9035 checklistsNov 22-30: 4.4% of 12547 checklistsDec 1-7: 3.7% of 9078 checklistsDec 8-14: 2.9% of 8732 checklistsDec 15-21: 2.7% of 11024 checklistsDec 22-31: 2.5% of 15432 checklistsJanFebMarAprMayJunJulAugSepOctNovDec
Share of complete checklists reporting it, by week (4 per month). Grey bars: fewer than 10 checklists, not counted.

Frequency is the share of complete checklists in Indiana that listed the bird, 2016–2025. It is not a head count, and it follows where and when people go birding. How to read it.

JanFebMarAprMayJunJulAugSepOctNovDec
today
Second week of November

Each county is shaded by the share of complete checklists there that listed the bird, blended with the weeks either side. Darker is more often. It follows where people watch birds, not how many birds there are. How to read it.

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Where in Indiana

Best counties

Share of checklists at the peak
  1. Brown CountyBest late January · 96 checklists that week, 5,917 in all41%
  2. Montgomery CountyBest mid November · 26 checklists that week, 2,917 in all36%
  3. Scott CountyBest mid December · 14 checklists that week, 798 in all31%
  4. Clinton CountyBest late March · 29 checklists that week, 900 in all30%
  5. Pike CountyBest the second week of December · 12 checklists that week, 2,105 in all30%
  6. Jay CountyBest mid November · 24 checklists that week, 1,334 in all26%

Best spots

Share of checklists at the peak
  1. Vaughn HollowBrown County, best the second week of February · 27 checklists that week, 919 in all69%
  2. Eagle Creek Park (Traders Point Lake)Marion County, best late November · 23 checklists that week, 1,058 in all66%
  3. Lakefront ParkLake County, best late March · 24 checklists that week, 1,190 in all58%
  4. Muscatatuck National Wildlife Refuge (northeast)Jackson County, best early January · 27 checklists that week, 348 in all57%
  5. Purdue University PondTippecanoe County, best the second week of November · 22 checklists that week, 948 in all54%

Busy spots report more of everything; compare the checklist counts before you drive anywhere.

Best time of day

In Indiana, the Fox Sparrow is most often listed on checklists started between 8 and 10 am (2.5% of those checklists).

0%1%2%3%12 am: too few checklists (240) to judge1 am: too few checklists (231) to judge2 am: too few checklists (222) to judge3 am: too few checklists (202) to judge4 am: too few checklists (674) to judge5 am: too few checklists (4329) to judge6 am: 2.0% of 20589 checklists7 am: 2.2% of 58470 checklists8 am: 2.5% of 86931 checklists9 am: 2.4% of 78239 checklists10 am: 2.1% of 66080 checklists11 am: 1.8% of 54904 checklists12 pm: 1.7% of 47610 checklists1 pm: 1.9% of 44814 checklists2 pm: 1.8% of 43790 checklists3 pm: 1.8% of 42983 checklists4 pm: 1.6% of 45349 checklists5 pm: 1.3% of 35993 checklists6 pm: 0.6% of 26447 checklists7 pm: 0.5% of 17740 checklists8 pm: too few checklists (7603) to judge9 pm: too few checklists (1721) to judge10 pm: too few checklists (517) to judge11 pm: too few checklists (272) to judge12a3a6a9a12p3p6p9p
Share of checklists started in each local hour that reported it. It reflects when people go birding as well as when birds are active. Grey hours have too few checklists (under 2% of the state’s, or under 200) to judge.
Week-by-week table
MonthDays 1-78-1415-2122-end
January2.6%3.6%4.7%3.3%
February2.5%3.0%2.8%2.0%
March2.5%3.6%4.8%6.3%
April5.9%2.9%1.2%0.2%
May0.1%0.1%0.1%0.1%
June0.1%0%0%0%
July0%0%0%0%
August0%0%0%0%
September0%0.1%0%0.1%
October0.2%0.9%2.4%4.0%
November4.6%6.2%6.0%4.4%
December3.7%2.9%2.7%2.5%

Neighboring states

  • Illinois: arrives early October, 1 week earlier than Indiana
  • Kentucky: arrives early November, 3 weeks later than Indiana
  • Ohio: arrives mid October, 1 week later than Indiana
  • Michigan: arrives the second week of March, 20 weeks later than Indiana

Common questions

When do Fox Sparrows arrive in Indiana?
Fox Sparrows are winter birds in Indiana: the first arrive in the second week of October, they are common by mid October, peak in late March (5.8% of checklists), and most are gone by the second week of April.
When do Fox Sparrows leave Indiana?
Most Fox Sparrows have left Indiana by the second week of April, when reports fall below half their usual rate. Stragglers are still reported until mid April.
When is the best time to see a Fox Sparrow in Indiana?
The Fox Sparrow is reported most often in late March, on about 5.8% of Indiana checklists.
Where in Indiana are Fox Sparrows seen most often?
By county, Brown County, Montgomery County, and Scott County have the highest peak reporting rates for the Fox Sparrow (counties with at least 200 checklists).